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A047803
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Theta series of 24-dimensional lattice D_16 + E_8.
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0
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1, 720, 146512, 8565952, 196434000, 2317602912, 17225174720, 93710019456, 407503812688, 1487330605840, 4744665673056, 13523554712640, 35251061710528, 84944383084512, 192127846616960, 409984044318336, 834655060080720
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OFFSET
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0,2
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LINKS
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FORMULA
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G.f.: d16(q) * e8(q) where e8(q) = 1 + 240*q^2 + 2160*q^4 + ... is the theta series for A004009 and d16(q) = 1 + 480*q^2 + 29152*q^4 + ... is the theta series for A022047. - Sean A. Irvine, May 21 2021
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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Description corrected by Dave Yuen, May 01 2002
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STATUS
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approved
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